Distribution Safety Rules

Distribution Safety Rules. Substation

Rose Cottage.

HIGH VOLTAGE ELECTRICITY SYSTEM SAFETY RULES

1. INTRODUCTION

These Safety Rules shall be read in conjunction with the Occupational Health and Safety Administration Manual.

These Safety Rules state the basic safety requirements for work on the RCS 24kV and 3.3kV Distribution System.

These rules are designed to: -

Ensure the works are carried out to recognized industry standards.

Provide maximum protection to persons working on plant or equipment.

Provide a guide to safe working on or within the vicinity of high voltage electrical systems.

Provide Controls and responsibilities for individuals operating on or working in the vicinity of high voltage plant and equipment.

It is the responsibility of individuals to be familiar with respect to these rules before operating on the distribution system.

The Person-in-Charge of the works shall be a Competent Person.

2. BASIC REQUIREMENTS

No person shall:

Enter a substation without a Permit-to-Work.

Interfere with any item of electrical equipment without first having been given instructions to do so by the Authorized Engineer.

Commence work until they fully understand their instructions and are conversant with the nature and extent of the work to be carried out. Instructions shall not be exceeded.

Enter a confined space until instructed to do so by the Authorized Engineer following a job specific Risk Assessment, after all necessary safety precautions have been taken.

3. GENERAL PROVISIONS

These rules apply to the RCS 24/3.3kV:

All High Voltage substation, plant and equipment.

All High Voltage distribution cables.

All Low Voltage equipment under the control of Estates Services.

4. INFORMATION, INSTRUCTION AND TRAINING

Arrangements shall be made by the CCC to ensure that all persons with access to the above equipment are adequately informed of:

Risks to their Health and Safety

Preventive and protective measures to be taken

Procedure in the event of serious or imminent danger

The risks arising from other activities in the workplace

Those with access to operate equipment are aware of the consequences of operations carried out.

Other people who may be exposed to danger by the operations or works receive adequate information and where necessary instruction.

The capabilities of persons are taken into account in allocating tasks.

Persons are provided with adequate Health and Safety training and re-training.

5. ISSUE OF SAFETY RULES

A copy of these rules shall be issued as determined by the Document Owner.

Each copy issued will carry the signature of the holder. The recipient shall be responsible for keeping them to hand for reference as necessary when work is being carried out under these rules.

6. VARIATION OF SAFETY RULES

In special circumstances these safety rules may be varied to such an extent as is necessary and approved by the Document Owner. Approval may be given only if safety requirements are satisfied in another way. These variations must be documented and held as a permanent record.

7. OBJECTIONS ON SAFETY GROUNDS

When any person has concerns regarding the operation of or work upon the system, they shall refer them to the person issuing instructions or to a higher authority. The matter shall be investigated, and reviewed before proceeding.

8. TREATMENT FOR ELECTRIC SHOCK

All persons who may be in charge of or control of any operation or work on the system shall be trained and conversant with the treatment for electric shock.

9. DEFINITIONS

9.1 A CAUTION NOTICE is a notice conveying a warning against interference.

9.2 CIRCUIT MAIN EARTH means the earthing equipment applied before the issue of, and at a position recorded in a Safety Document.

9.3 DANGER means a risk to health or of bodily injury.

9.4 DANGER NOTICE is a notice reading 'DANGER', warning of electrical or physical danger.

9.5 DEAD means an electrical potential at or about zero voltage and disconnected from any Live System.

9.6 DOCUMENT OWNER is the person appointed to be responsible for the application of these safety rules.

9.7 EARTH means the conductive mass of the earth.

9.8 EARTHED means that the system or equipment being worked upon is connected to EARTH through switchgear or by adequately rated earth leads.

9.9 ISOLATED means disconnected from associated plant, equipment and conductors by an isolating device in the isolating position, or by adequate physical separation, or sufficient gap.

9.10 LIVE means electrically charged.

9.11 A COMPETENT PERSON is a person recognized as having sufficient technical knowledge and/or experience to enable him/her to avoid danger and who may be nominated to receive and clear specified

9.12 An AUTHORISED PERSON is a Competent Person, over the age of 18 years, who has been appointed in writing by the Senior Authorized Person. An Authorized Person is authorized to carry out specified duties, which may include, subject to the permission of the Control Engineer, the issuing and cancelling of Safety Documents.

9.13 A SENIOR AUTHORISED PERSON is an Authorized Person who has been appointed in writing to carry out specified duties, including the issue and cancellation of Safety Documents. The Senior Authorized Person is also responsible for the day-to-day management of Authorized Persons.

9.14 A CONTROL ENGINEER is an Authorized Person or a Senior Authorized Person specifically nominated in writing by an Authorized Person or a Senior Authorized Person to exercise the function of control of the system.

9.15 LIMITATION-OF-ACCESS - Instructions which define the limitations and nature of work, which may be carried out when verbal instructions are not considered sufficient for that purpose, and where a Permit-to-Work or Permit-to-Test is not applicable.

9.16 PERMIT-TO-WORK A permit to work specifies the high voltage equipment which has been made safe to work on, the safety precautions applied to ensure continued safety and the work which

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